To the Editor:—The Undergraduate Medical Association of the University of Pennsylvania held its first annual meeting April 8, and marked thereby a distinct and epoch-making innovation in the history of medical teaching. Founded on the general lines of the American Medical Association, composed of the members of the medical societies of the university and any other members of the medical department who care to join, the association aims to encourage the spirit of research among its members and to afford the best of them an opportunity to gain an invaluable experience in the preparation and presentation of scientific papers. The day was set apart by the authorities for the purposes of the association. It was divided into three parts: A scientific session in the morning, followed by a luncheon given by the faculty to the members of the fourth-year class and the officers of the